Product Summary

The automatic sliding door ST FLEX convinces as a fine-framed door with small profile dimensions and offers comfort and accessibility. Together with the door variants of the FLEX family (FLEX Green and FLEX SECURE) and the new ST PRO Green, the result is a harmonious overall appearance - for all designs in the building.

Thanks to the new ES PROLINE operator system, even higher door leaf weights can be moved - and particularly quickly and quietly.


  • Slim profile cross-sections
  • 1 and 2-leaf sliding doors
  • For use in escape and rescue routes
  • Energy-efficient sliding door drive ES PROLINE
  • Safety secondary closing edges made of rubber
  • Suitable for ISO glass 22 mm and single-pane glass 8 mm/10 mm
  • Also available as telescopic version

Product Details

Perfect solution for sophisticated projects

Thanks to its low profile width, the ST FLEX automatic sliding door is extremely versatile. With its various designs, it is the perfect solution for sophisticated projects. A telescopic sliding door with the same profile is also available.

Optionally, single-pane glazing or also insulating glazing can be used.

Tested quality

The system may be equipped with toughened safety glass or double glazing.  The profile system is tested for a minimum service life of 1 million cycles and approved for application in emergency exits and escape routes according to DIN 18650 and the German guidelines for automatic sliding doors in escape routes (AutSchR).

The new operator system for automatic sliding doors ES PROLINE convinces with its modular design, its performance and its 50% increased service life (1.5 million load cycles).

Benefits for the architect

  • The system provides beautiful glass surfaces thanks to slender frames
  • It is very flexible and may be tailored to the requirements of sophisticated projects

Fields of application

  • Exterior doors with insulated glazing, double and triple glazing
  • Windbreak solutions
  • Public Buildings

Maximum door dimensions

(Door panel weight and basic technical conditions may be critical)

  • Maximum clearance width: 3,000 mm
  • Maximum clearance height: 3,000 mm
  • Maximum door leaf weight: 2x200 kg (ES 400 PRO)
Fine-framed sliding door ST FLEX with ES PROLINE
Automatic sliding door system ST FLEX

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